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masha68 [24]
2 years ago
7

Yeah, it's really late at night and I can't think...hah..help

Mathematics
2 answers:
k0ka [10]2 years ago
4 0
A. $48.75

b. $51.8

c. Mary's backpack was a better deal
krok68 [10]2 years ago
3 0

Answer:ME WANT POINTS LOL SRY

Step-by-step explanation:

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Given a triangle ABC such that AB = 4. AC = squareroot (41) and BC = 5.
Vsevolod [243]

Answer:

  A = 51.3°, B = 90°, C = 38.7°

Step-by-step explanation:

The given lengths satisfy the Pythagorean theorem:

  (√41)² = 4² +5²   ⇒   41 = 16 +25

so we know the triangle is a right triangle. The right angle is opposite the longest side, so is angle B, opposite side AC.

The remaining angles can be found using trig functions. For example, we know ...

  tan(A) = BC/AB = 5/4

  A = arctan(5/4) ≈ 51.3°

Then the other acute angle is ...

  C = 90° -51.3° = 38.7°

Angles A, B, C are ...

  (A, B, C) = (51.3°, 90°, 38.7°)

7 0
3 years ago
Which statement is not true about the data shown by the box plot below? A. Three fourths of the data is less than 65. B. The med
Crank

Answer:

C. The interquartile range is 55

Step-by-step explanation:

When you want to find the interquartile range you look at the box plot to see that it is everything from the upper interquartile range to the lower interquartile range is the interquartile range. So from 40 to 65. So there for the answer C. is incorrect.  

8 0
3 years ago
What is the simplified form of the expression below? (6 + 7b) + 14
denis-greek [22]

Answer: 20+7b

Step-by-step explanation:

Given

 (6+7b)+14

Take off parentheses

=6+7b+14

Move like terms together (Commutative property)

=6+14+7b

Combine like terms

=20+7b

Hope this helps!! :)

Please let me know if you have any question

4 0
2 years ago
Read 2 more answers
Jessica and Josh are selling Entertainment Books to raise money for the art room at their school. One book sells for $15. Jessic
DENIUS [597]

Answer:

Jessica sold 198 book shows and Josh sold 11 books.

8 0
2 years ago
What is the value of x? a.60 B.100 c.120 D.180 Please help me today thank you
Alik [6]

Answer: 100

Step-by-step explanation: x is close to a 90 degree angle so it would be 100

4 0
2 years ago
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